Chair arm



FIG. 1 is a perspective view of a chair arm,

FIG. 2 is a side view of the chair arm shown in FIG. 1,

FIG. 3 is a front view of the chair arm shown in FIG. 1,

FIG. 4 is another side view of the chair arm shown in FIG. 1,

FIG. 5 is a rear view of the chair arm shown in FIG. 1,

FIG. 6 is a top view of chair arm shown in FIG. 1; and,

FIG. 7 is a bottom view of the chair arm shown in FIG. 1.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a chair arm, as shown and described. 